Ubuntu 4210-1: Linux kernel vulnerabilities

    Date02 Dec 2019
    CategoryUbuntu
    95
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in the Linux kernel.
    ==========================================================================
    Ubuntu Security Notice USN-4210-1
    December 03, 2019
    
    linux, linux-aws, linux-aws-hwe, linux-gcp, linux-gke-4.15, linux-hwe,
    linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon
    vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Several security issues were fixed in the Linux kernel.
    
    Software Description:
    - linux: Linux kernel
    - linux-aws: Linux kernel for Amazon Web Services (AWS) systems
    - linux-gke-4.15: Linux kernel for Google Container Engine (GKE) systems
    - linux-kvm: Linux kernel for cloud environments
    - linux-oem: Linux kernel for OEM processors
    - linux-oracle: Linux kernel for Oracle Cloud systems
    - linux-raspi2: Linux kernel for Raspberry Pi 2
    - linux-snapdragon: Linux kernel for Snapdragon processors
    - linux-aws-hwe: Linux kernel for Amazon Web Services (AWS-HWE) systems
    - linux-gcp: Linux kernel for Google Cloud Platform (GCP) systems
    - linux-hwe: Linux hardware enablement (HWE) kernel
    
    Details:
    
    It was discovered that a buffer overflow existed in the 802.11 Wi-Fi
    configuration interface for the Linux kernel when handling beacon settings.
    A local attacker could use this to cause a denial of service (system crash)
    or possibly execute arbitrary code. (CVE-2019-16746)
    
    Nicolas Waisman discovered that the WiFi driver stack in the Linux kernel
    did not properly validate SSID lengths. A physically proximate attacker
    could use this to cause a denial of service (system crash).
    (CVE-2019-17133)
    
    It was discovered that the ADIS16400 IIO IMU Driver for the Linux kernel
    did not properly deallocate memory in certain error conditions. A local
    attacker could use this to cause a denial of service (memory exhaustion).
    (CVE-2019-19060)
    
    It was discovered that the Intel OPA Gen1 Infiniband Driver for the Linux
    kernel did not properly deallocate memory in certain error conditions. A
    local attacker could use this to cause a denial of service (memory
    exhaustion). (CVE-2019-19065)
    
    It was discovered that the Cascoda CA8210 SPI 802.15.4 wireless controller
    driver for the Linux kernel did not properly deallocate memory in certain
    error conditions. A local attacker could use this to cause a denial of
    service (memory exhaustion). (CVE-2019-19075)
    
    Nicolas Waisman discovered that the Chelsio T4/T5 RDMA Driver for the Linux
    kernel performed DMA from a kernel stack. A local attacker could use this
    to cause a denial of service (system crash). (CVE-2019-17075)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      linux-image-4.15.0-1030-oracle  4.15.0-1030.33
      linux-image-4.15.0-1049-gke     4.15.0-1049.52
      linux-image-4.15.0-1051-kvm     4.15.0-1051.51
      linux-image-4.15.0-1052-raspi2  4.15.0-1052.56
      linux-image-4.15.0-1056-aws     4.15.0-1056.58
      linux-image-4.15.0-1065-oem     4.15.0-1065.75
      linux-image-4.15.0-1069-snapdragon  4.15.0-1069.76
      linux-image-4.15.0-72-generic   4.15.0-72.81
      linux-image-4.15.0-72-generic-lpae  4.15.0-72.81
      linux-image-4.15.0-72-lowlatency  4.15.0-72.81
      linux-image-aws                 4.15.0.1056.57
      linux-image-aws-lts-18.04       4.15.0.1056.57
      linux-image-generic             4.15.0.72.74
      linux-image-generic-lpae        4.15.0.72.74
      linux-image-gke                 4.15.0.1049.52
      linux-image-gke-4.15            4.15.0.1049.52
      linux-image-kvm                 4.15.0.1051.51
      linux-image-lowlatency          4.15.0.72.74
      linux-image-oem                 4.15.0.1065.69
      linux-image-oracle              4.15.0.1030.35
      linux-image-oracle-lts-18.04    4.15.0.1030.35
      linux-image-powerpc-e500mc      4.15.0.72.74
      linux-image-powerpc-smp         4.15.0.72.74
      linux-image-powerpc64-emb       4.15.0.72.74
      linux-image-powerpc64-smp       4.15.0.72.74
      linux-image-raspi2              4.15.0.1052.50
      linux-image-snapdragon          4.15.0.1069.72
      linux-image-virtual             4.15.0.72.74
    
    Ubuntu 16.04 LTS:
      linux-image-4.15.0-1030-oracle  4.15.0-1030.33~16.04.1
      linux-image-4.15.0-1050-gcp     4.15.0-1050.53
      linux-image-4.15.0-1056-aws     4.15.0-1056.58~16.04.1
      linux-image-4.15.0-72-generic   4.15.0-72.81~16.04.1
      linux-image-4.15.0-72-generic-lpae  4.15.0-72.81~16.04.1
      linux-image-4.15.0-72-lowlatency  4.15.0-72.81~16.04.1
      linux-image-aws-hwe             4.15.0.1056.56
      linux-image-gcp                 4.15.0.1050.64
      linux-image-generic-hwe-16.04   4.15.0.72.92
      linux-image-generic-lpae-hwe-16.04  4.15.0.72.92
      linux-image-gke                 4.15.0.1050.64
      linux-image-lowlatency-hwe-16.04  4.15.0.72.92
      linux-image-oem                 4.15.0.72.92
      linux-image-oracle              4.15.0.1030.23
      linux-image-virtual-hwe-16.04   4.15.0.72.92
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    ATTENTION: Due to an unavoidable ABI change the kernel updates have
    been given a new version number, which requires you to recompile and
    reinstall all third party kernel modules you might have installed.
    Unless you manually uninstalled the standard kernel metapackages
    (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
    linux-powerpc), a standard system upgrade will automatically perform
    this as well.
    
    References:
      https://usn.ubuntu.com/4210-1
      CVE-2019-16746, CVE-2019-17075, CVE-2019-17133, CVE-2019-19060,
      CVE-2019-19065, CVE-2019-19075
    
    Package Information:
      https://launchpad.net/ubuntu/+source/linux/4.15.0-72.81
      https://launchpad.net/ubuntu/+source/linux-aws/4.15.0-1056.58
      https://launchpad.net/ubuntu/+source/linux-gke-4.15/4.15.0-1049.52
      https://launchpad.net/ubuntu/+source/linux-kvm/4.15.0-1051.51
      https://launchpad.net/ubuntu/+source/linux-oem/4.15.0-1065.75
      https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1030.33
      https://launchpad.net/ubuntu/+source/linux-raspi2/4.15.0-1052.56
      https://launchpad.net/ubuntu/+source/linux-snapdragon/4.15.0-1069.76
      https://launchpad.net/ubuntu/+source/linux-aws-hwe/4.15.0-1056.58~16.04.1
      https://launchpad.net/ubuntu/+source/linux-gcp/4.15.0-1050.53
      https://launchpad.net/ubuntu/+source/linux-hwe/4.15.0-72.81~16.04.1
      https://launchpad.net/ubuntu/+source/linux-oracle/4.15.0-1030.33~16.04.1
    
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